US3438635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonographs
Assignee: HANS C HANSEN
•
Filing: 1966-02-14
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Granted: 1969-04-15
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Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 Hans C Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:56
CPC Classifications
G; G11; G11B; G11B19/00; G11B19/20; G11B19/22; G11B3/00; G11B3/02; G11B3/08; G11B3/085; G11B3/08503; G11B3/08506; G11B3/08509; G11B3/08535; G11B3/08538; G11B3/08541; G11B3/08545; G11B3/095; G11B3/0952; G11B3/0955
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |